SI3145197T1 - Postopek določanja kontekstnega modela za entropijsko dekodiranje na stopnji transformnega koeficienta - Google Patents

Postopek določanja kontekstnega modela za entropijsko dekodiranje na stopnji transformnega koeficienta

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Publication number
SI3145197T1
SI3145197T1 SI201231354T SI201231354T SI3145197T1 SI 3145197 T1 SI3145197 T1 SI 3145197T1 SI 201231354 T SI201231354 T SI 201231354T SI 201231354 T SI201231354 T SI 201231354T SI 3145197 T1 SI3145197 T1 SI 3145197T1
Authority
SI
Slovenia
Prior art keywords
determining
transform coefficient
entropy decoding
context model
coefficient level
Prior art date
Application number
SI201231354T
Other languages
English (en)
Slovenian (sl)
Inventor
Yin-Ji Piao
Jung-Hye Min
Original Assignee
Samsung Electronics Co., Ltd,
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Samsung Electronics Co., Ltd, filed Critical Samsung Electronics Co., Ltd,
Publication of SI3145197T1 publication Critical patent/SI3145197T1/sl

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/13Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103Selection of coding mode or of prediction mode
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/12Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/18Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a set of transform coefficients
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/186Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/96Tree coding, e.g. quad-tree coding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
SI201231354T 2011-10-31 2012-10-31 Postopek določanja kontekstnega modela za entropijsko dekodiranje na stopnji transformnega koeficienta SI3145197T1 (sl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161553668P 2011-10-31 2011-10-31
US201261671955P 2012-07-16 2012-07-16
EP16197057.9A EP3145197B1 (en) 2011-10-31 2012-10-31 Method for determining a context model for transform coefficient level entropy decoding

Publications (1)

Publication Number Publication Date
SI3145197T1 true SI3145197T1 (sl) 2018-09-28

Family

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Family Applications (3)

Application Number Title Priority Date Filing Date
SI201231363T SI3166317T1 (sl) 2011-10-31 2012-10-31 Postopek in naprava za določanje kontekstnega modela za entropijsko dekodiranje in kodiranje na stopnji transformacijskega koeficienta
SI201231354T SI3145197T1 (sl) 2011-10-31 2012-10-31 Postopek določanja kontekstnega modela za entropijsko dekodiranje na stopnji transformnega koeficienta
SI201230817A SI2773109T1 (sl) 2011-10-31 2012-10-31 Postopek in naprava za določanje kontekstnega modela za koeficient stopnje transformacije entropijskega kodiranja in dekodiranja

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SI201231363T SI3166317T1 (sl) 2011-10-31 2012-10-31 Postopek in naprava za določanje kontekstnega modela za entropijsko dekodiranje in kodiranje na stopnji transformacijskega koeficienta

Family Applications After (1)

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SI201230817A SI2773109T1 (sl) 2011-10-31 2012-10-31 Postopek in naprava za določanje kontekstnega modela za koeficient stopnje transformacije entropijskega kodiranja in dekodiranja

Country Status (21)

Country Link
US (5) US9414088B2 (ko)
EP (5) EP3166317B1 (ko)
JP (5) JP5934376B2 (ko)
KR (6) KR101598142B1 (ko)
CN (5) CN107465933B (ko)
AU (1) AU2012333301B2 (ko)
CA (2) CA3016926C (ko)
CY (3) CY1118368T1 (ko)
DK (3) DK3166317T3 (ko)
ES (4) ES2684480T3 (ko)
HR (3) HRP20161726T1 (ko)
HU (3) HUE031315T2 (ko)
IN (1) IN2014MN00900A (ko)
LT (3) LT2773109T (ko)
PL (4) PL3145197T3 (ko)
PT (3) PT3145197T (ko)
RS (3) RS57600B1 (ko)
SI (3) SI3166317T1 (ko)
TR (1) TR201811137T4 (ko)
TW (4) TWI692243B (ko)
WO (1) WO2013066051A1 (ko)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10091529B2 (en) * 2010-07-09 2018-10-02 Samsung Electronics Co., Ltd. Method and apparatus for entropy encoding/decoding a transform coefficient
US9124872B2 (en) 2012-04-16 2015-09-01 Qualcomm Incorporated Coefficient groups and coefficient coding for coefficient scans
RU2680749C2 (ru) * 2012-06-22 2019-02-26 Вилос Медиа Интернэшнл Лимитед Способ кодирования изображения, способ декодирования изображения, устройство кодирования изображения, устройство декодирования изображения и устройство кодирования и декодирования изображения
EP2941000B1 (en) * 2012-12-27 2020-11-04 NEC Corporation Video coding device, video coding method, and video coding program
US9225991B2 (en) * 2013-05-30 2015-12-29 Apple Inc. Adaptive color space transform coding
US9225988B2 (en) 2013-05-30 2015-12-29 Apple Inc. Adaptive color space transform coding
KR20160132891A (ko) * 2014-03-13 2016-11-21 퀄컴 인코포레이티드 3d 비디오 코딩에 대한 제약된 깊이 인트라 모드 코딩
US9781424B2 (en) 2015-01-19 2017-10-03 Google Inc. Efficient context handling in arithmetic coding
US9936201B2 (en) * 2015-01-27 2018-04-03 Qualcomm Incorporated Contexts for large coding tree units
US11233998B2 (en) 2015-05-29 2022-01-25 Qualcomm Incorporated Coding data using an enhanced context-adaptive binary arithmetic coding (CABAC) design
EP3280143A1 (en) * 2016-08-04 2018-02-07 Thomson Licensing A method and an apparatus for image block encoding and decoding
WO2018190595A1 (ko) * 2017-04-13 2018-10-18 엘지전자(주) 비디오 신호를 엔트로피 인코딩, 디코딩하는 방법 및 장치
US10869060B2 (en) * 2018-01-30 2020-12-15 Google Llc Efficient context model computation design in transform coefficient coding
WO2019199838A1 (en) * 2018-04-12 2019-10-17 Futurewei Technologies, Inc. Reducing context switching for coding transform coefficients
US11006150B2 (en) 2018-09-24 2021-05-11 Tencent America LLC Method and apparatus for video coding
WO2020135371A1 (zh) * 2018-12-24 2020-07-02 华为技术有限公司 一种标志位的上下文建模方法及装置
CN109672690B (zh) * 2019-01-29 2021-02-19 哈尔滨工业大学 一种针对数据幅值范围已知的数据流进行编码的方法
US11949870B2 (en) * 2019-06-21 2024-04-02 Qualcomm Incorporated Context modeling for low-frequency non-separable transformation signaling for video coding

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6195465B1 (en) * 1994-09-21 2001-02-27 Ricoh Company, Ltd. Method and apparatus for compression using reversible wavelet transforms and an embedded codestream
US7929610B2 (en) * 2001-03-26 2011-04-19 Sharp Kabushiki Kaisha Methods and systems for reducing blocking artifacts with reduced complexity for spatially-scalable video coding
ES2277174T3 (es) 2002-05-02 2007-07-01 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Codificacion aritmetica de coeficientes de transformacion.
US7167522B2 (en) * 2003-02-27 2007-01-23 Texas Instruments Incorporated Video deblocking filter
DE602004019917D1 (de) * 2003-06-02 2009-04-23 Warsaw Orthopedic Inc Bandscheibenimplantate und methoden zu deren herstellung
US20060078049A1 (en) * 2004-10-13 2006-04-13 Nokia Corporation Method and system for entropy coding/decoding of a video bit stream for fine granularity scalability
US20060153294A1 (en) 2005-01-12 2006-07-13 Nokia Corporation Inter-layer coefficient coding for scalable video coding
WO2006075901A1 (en) 2005-01-14 2006-07-20 Sungkyunkwan University Methods of and apparatuses for adaptive entropy encoding and adaptive entropy decoding for scalable video encoding
KR100636229B1 (ko) * 2005-01-14 2006-10-19 학교법인 성균관대학 신축형 부호화를 위한 적응적 엔트로피 부호화 및 복호화방법과 그 장치
KR100703776B1 (ko) * 2005-04-19 2007-04-06 삼성전자주식회사 향상된 코딩 효율을 갖는 컨텍스트 기반 적응적 산술 코딩및 디코딩 방법과 이를 위한 장치, 이를 포함하는 비디오코딩 및 디코딩 방법과 이를 위한 장치
KR100746007B1 (ko) 2005-04-19 2007-08-06 삼성전자주식회사 엔트로피 코딩의 컨텍스트 모델을 적응적으로 선택하는방법 및 비디오 디코더
KR100763181B1 (ko) * 2005-04-19 2007-10-05 삼성전자주식회사 기초계층과 향상계층의 데이터를 바탕으로 예측 정보를코딩하여 코딩율을 향상시키는 방법 및 장치
US20090034857A1 (en) * 2005-07-22 2009-02-05 Mitsubishi Electric Corporation Image encoder and image decoder, image encoding method and image decoding method, image encoding program and image decoding program, and computer readable recording medium recorded with image encoding program and computer readable recording medium recorded with image decoding program
US8599925B2 (en) * 2005-08-12 2013-12-03 Microsoft Corporation Efficient coding and decoding of transform blocks
CN100403801C (zh) * 2005-09-23 2008-07-16 联合信源数字音视频技术(北京)有限公司 一种基于上下文的自适应熵编/解码方法
KR100873636B1 (ko) * 2005-11-14 2008-12-12 삼성전자주식회사 단일 부호화 모드를 이용하는 영상 부호화/복호화 방법 및장치
CN100488254C (zh) * 2005-11-30 2009-05-13 联合信源数字音视频技术(北京)有限公司 一种基于上下文的熵编码方法及解码方法
US8275045B2 (en) * 2006-07-12 2012-09-25 Qualcomm Incorporated Video compression using adaptive variable length codes
KR100809301B1 (ko) * 2006-07-20 2008-03-04 삼성전자주식회사 엔트로피 부호화/복호화 방법 및 장치
KR101356733B1 (ko) * 2007-03-07 2014-02-05 삼성전자주식회사 컨텍스트 기반 적응적 이진 산술 부호화, 복호화 방법 및장치
CN100571391C (zh) * 2007-05-09 2009-12-16 安凯(广州)软件技术有限公司 用于视频编解码系统中解块滤波的并行处理方法
US8488668B2 (en) 2007-06-15 2013-07-16 Qualcomm Incorporated Adaptive coefficient scanning for video coding
CN101933331B (zh) * 2007-09-06 2014-04-09 日本电气株式会社 视频编码装置、视频编码方法、视频解码方法
KR101487686B1 (ko) 2009-08-14 2015-01-30 삼성전자주식회사 비디오 부호화 방법 및 장치, 비디오 복호화 방법 및 장치
EP2559166B1 (en) * 2010-04-13 2017-11-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Probability interval partioning encoder and decoder
CN114143553A (zh) 2010-04-13 2022-03-04 Ge视频压缩有限责任公司 显著性图和变换系数块的编码
US8532413B2 (en) 2010-10-13 2013-09-10 Samsung Electronics Co., Ltd. Entropy encoding/decoding method and apparatus for hierarchical image processing and symbol encoding/decoding apparatus for the same
KR20120038355A (ko) * 2010-10-13 2012-04-23 삼성전자주식회사 계층 구조의 영상 처리를 위한 엔트로피 인코딩/디코딩 방법 및 장치와 이를 위한 심볼 인코딩/디코딩 방법 및 장치
US20130003858A1 (en) * 2011-06-30 2013-01-03 Vivienne Sze Simplified Context Selection For Entropy Coding of Transform Coefficient Syntax Elements
US9807426B2 (en) 2011-07-01 2017-10-31 Qualcomm Incorporated Applying non-square transforms to video data
CN102447908B (zh) 2012-01-31 2014-01-08 北京工业大学 一种面向hevc参数编码的上下文简化方法

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US20150215645A1 (en) 2015-07-30
US9307263B2 (en) 2016-04-05
PT2773109T (pt) 2016-12-22
PL3166317T3 (pl) 2018-10-31
CN107529060B (zh) 2020-04-21
EP3846479A1 (en) 2021-07-07
LT3145197T (lt) 2018-08-27
LT3166317T (lt) 2018-09-10
US9532072B2 (en) 2016-12-27
DK3166317T3 (en) 2018-08-27
KR20150060624A (ko) 2015-06-03
CN107465933A (zh) 2017-12-12
IN2014MN00900A (ko) 2015-04-17
EP3145197A1 (en) 2017-03-22
RS55403B1 (sr) 2017-04-28
JP2014534768A (ja) 2014-12-18
EP3399760B1 (en) 2021-04-07
US9521430B2 (en) 2016-12-13
TW201631965A (zh) 2016-09-01
ES2684480T3 (es) 2018-10-03
PL3145197T3 (pl) 2018-10-31
HRP20161726T1 (hr) 2017-03-10
HRP20181249T1 (hr) 2018-10-05
KR20150060620A (ko) 2015-06-03
JP2017017723A (ja) 2017-01-19
EP3166317B1 (en) 2018-08-15
SI2773109T1 (sl) 2017-01-31
LT2773109T (lt) 2017-01-10
KR101598147B1 (ko) 2016-02-26
TW201330631A (zh) 2013-07-16
PT3145197T (pt) 2018-08-10
TW201830962A (zh) 2018-08-16
HUE031315T2 (en) 2017-07-28
EP3145197B1 (en) 2018-08-01
JP6401357B2 (ja) 2018-10-10
TR201811137T4 (tr) 2018-08-27
HUE040408T2 (hu) 2019-03-28
ES2608157T3 (es) 2017-04-06
SI3166317T1 (sl) 2018-10-30
KR20150060621A (ko) 2015-06-03
KR20150060622A (ko) 2015-06-03
CA2854074A1 (en) 2013-05-10
KR101598145B1 (ko) 2016-02-26
CN107465933B (zh) 2020-05-26
AU2012333301A1 (en) 2014-06-12
RS57600B1 (sr) 2018-11-30
CN107465934B (zh) 2020-06-26
CY1120998T1 (el) 2019-12-11
US9503752B2 (en) 2016-11-22
KR101598142B1 (ko) 2016-02-26
CY1121004T1 (el) 2019-12-11
EP3399760A1 (en) 2018-11-07
JP2019017083A (ja) 2019-01-31
US20150215647A1 (en) 2015-07-30
JP2018023132A (ja) 2018-02-08
KR20150060623A (ko) 2015-06-03
PL3399760T3 (pl) 2021-07-19
KR101598146B1 (ko) 2016-02-26
EP2773109B1 (en) 2016-12-14
EP3166317A1 (en) 2017-05-10
KR101915253B1 (ko) 2018-11-05
WO2013066051A1 (ko) 2013-05-10
JP6595679B2 (ja) 2019-10-23
CA3016926A1 (en) 2013-05-10
TWI629895B (zh) 2018-07-11
JP5934376B2 (ja) 2016-06-15
CN107734348A (zh) 2018-02-23
KR20130047676A (ko) 2013-05-08
ES2682991T3 (es) 2018-09-24
JP6208827B2 (ja) 2017-10-04
CA3016926C (en) 2020-03-10
TW201713117A (zh) 2017-04-01
KR101635115B1 (ko) 2016-06-30
ES2868087T3 (es) 2021-10-21
CA2854074C (en) 2018-10-23
PT3166317T (pt) 2018-10-08
CN104041052B (zh) 2017-11-14
TWI574550B (zh) 2017-03-11
AU2012333301B2 (en) 2015-01-15
RS57491B1 (sr) 2018-10-31
CN107465934A (zh) 2017-12-12
CN107734348B (zh) 2020-03-24
US9414088B2 (en) 2016-08-09
CN104041052A (zh) 2014-09-10
CN107529060A (zh) 2017-12-29
CY1118368T1 (el) 2017-06-28
US20150215646A1 (en) 2015-07-30
TWI692243B (zh) 2020-04-21
HRP20181317T1 (hr) 2018-10-19
JP5992644B1 (ja) 2016-09-14
DK3145197T3 (en) 2018-08-13
DK2773109T3 (da) 2017-01-09
JP2016174387A (ja) 2016-09-29
US20150215644A1 (en) 2015-07-30
EP2773109A1 (en) 2014-09-03
EP2773109A4 (en) 2015-05-06
HUE054305T2 (hu) 2021-08-30
PL2773109T3 (pl) 2017-04-28
EP3846479B1 (en) 2024-07-03
US20140269928A1 (en) 2014-09-18

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